18456780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{9923}}^1$

素因数の和:9966

約数の個数: 48

約数和(自身を含む): 53351424

約数和(自身を除く): 34894644

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 60, 62, 93, 124, 155, 186, 310, 372, 465, 620, 930, 1860, 9923, 19846, 29769, 39692, 49615, 59538, 99230, 119076, 148845, 198460, 297690, 307613, 595380, 615226, 922839, 1230452, 1538065, 1845678, 3076130, 3691356, 4614195, 6152260, 9228390, 18456780]

約数ペア:

[(1, 18456780), (2, 9228390), (3, 6152260), (4, 4614195), (5, 3691356), (6, 3076130), (10, 1845678), (12, 1538065), (15, 1230452), (20, 922839), (30, 615226), (31, 595380), (60, 307613), (62, 297690), (93, 198460), (124, 148845), (155, 119076), (186, 99230), (310, 59538), (372, 49615), (465, 39692), (620, 29769), (930, 19846), (1860, 9923)]